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Non-Controlling Interests | 12 Months Ended
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Dec. 31, 2020
Interests In Other Entities [Abstract] |
Non-Controlling Interests | Non-Controlling Interests The Corporation’s subsidiaries and operations that have non-controlling interests are as follows:
Subsidiary/Operation | Non-controlling interest as at Dec. 31, 2020
TransAlta Cogeneration L.P. | 49.99% - Canadian Power Holdings Inc.
TransAlta Renewables | 39.9% - Public shareholders
Kent Hills Wind LP(1) | 17% - Natural Forces Technologies Inc.
(1) Owned by TransAlta Renewables. TransAlta Cogeneration, L.P. (“TA Cogen”) operates a portfolio of cogeneration facilities in Canada and owns 50 per cent of a dual-fuel generating facility. TransAlta Renewables owns and operates a portfolio of gas and renewable power generation facilities in Canada and owns economic interests in various other gas and renewable facilities of the Corporation. Summarized financial information relating to subsidiaries with significant non-controlling interests is as follows: A. TransAlta Renewables The net earnings, distributions and equity attributable to non-controlling interests include the 17 per cent non-controlling interest in the 167 MW Kent Hills wind facility located in New Brunswick. On May 31, 2018, TransAlta Renewables implemented a dividend reinvestment plan ("DRIP") for Canadian holders of common shares of TransAlta Renewables. Commencing with the dividend paid on July 31, 2018, eligible shareholders could elect to automatically reinvest monthly dividends into additional common shares of the Corporation. The Corporation does not participate in the DRIP. In the fourth quarter of 2020, TransAlta Renewables suspended the DRIP in respect of any future declared dividends. The dividend paid on Oct. 30, 2020, to shareholders of record on Oct. 15, 2020, was the last dividend payment eligible for reinvestment by participating shareholders. Subsequent dividends will be paid only in cash. As a result of the DRIP and the Share Offering described in Note 4(W), the Corporation’s share of ownership and equity participation in TransAlta Renewables has changed as follows:
Period | Ownership and voting rights percentage | Equity participation percentage
Aug. 1, 2017 to June 21, 2018 | 64.0 |  | 64.0 |
June 22, 2018 to July 30, 2018 | 61.1 |  | 61.1 |
July 31, 2018 to Nov. 29, 2018 | 61.0 |  | 61.0 |
Nov. 30, 2018 to Dec. 31, 2018 | 60.9 |  | 60.9 |
Jan. 1, 2019 to Mar. 31, 2019 | 60.8 |  | 60.8 |
April 1, 2019 to June 30, 2019 | 60.6 |  | 60.6 |
July 1, 2019 to Sept. 30, 2019 | 60.5 |  | 60.5 |
Oct. 1, 2019 to Dec. 31, 2019 | 60.4 |  | 60.4 |
Jan. 1, 2020 to Mar. 31, 2020 | 60.3 |  | 60.3 |
April 1, 2020 to June 30, 2020 | 60.2 |  | 60.2 |
July 1, 2020 to Dec. 31, 2020 | 60.1 |  | 60.1 |
Year ended Dec. 31 | 2020 | 2019 | 2018
Revenues | 436 |  | 446 |  | 462 |
Net earnings | 97 |  | 183 |  | 241 |
Total comprehensive income | 223 |  | 138 |  | 281 |
Amounts attributable to the non-controlling interests: |  |  |
Net earnings | 40 |  | 73 |  | 94 |
Total comprehensive income | 90 |  | 56 |  | 110 |
Distributions paid to non-controlling interests | 80 |  | 69 |  | 79 |
As at Dec. 31 | 2020 | 2019
Current assets | 743 |  | 293 |
Long-term assets | 2,913 |  | 3,409 |
Current liabilities | (364) |  | (152) |
Long-term liabilities | (987) |  | (1,237) |
Total equity | (2,305) |  | (2,313) |
Equity attributable to non-controlling interests | (948) |  | (941) |
Non-controlling interests’ share (per cent) | 39.9 | 39.6
B. TA Cogen
Year ended Dec. 31 | 2020 | 2019 | 2018
Results of operations |  |  |
Revenues | 146 |  | 181 |  | 185 |
Net earnings (loss) | (13) |  | 43 |  | 29 |
Total comprehensive income (loss) | (13) |  | 43 |  | 29 |
Amounts attributable to the non-controlling interest: |  |  |
Net earnings (loss) | (6) |  | 21 |  | 14 |
Total comprehensive income (loss) | (6) |  | 21 |  | 14 |
Distributions paid to Canadian Power Holdings Inc. | 17 |  | 37 |  | 86 |
As at Dec. 31 | 2020 | 2019
Current assets | 69 |  | 41 |
Long-term assets | 323 |  | 328 |
Current liabilities | (78) |  | (27) |
Long-term liabilities | (37) |  | (19) |
Total equity | (277) |  | (323) |
Equity attributable to Canadian Power Holdings Inc. | (136) |  | (160) |
Non-controlling interest share (per cent) | 49.99 | 49.99

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